Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
HBD-2NM_0049429606SAP1    DEFB2    DEFB-2    DEFB102    DEFB4   
hBD-2AJ0001529606
hbd-2NC_000917224325

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* OMIM link based on symbol match for human and mouse.

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Text2Knowledge ... Yong Huang 2002